How does a new KDP writer supposed to market a book?

B) Build a newsletter mailing list of people who will buy your book because they trust you to write books they want to read. This is slow, but ideal.

You cannot effectively promote books

D) that are presented with bad covers, bad descriptions, or ludicrously bad interior formatting.

Why does NASA's Perseverance rover keep taking pictures of this maze on Mars? - Space

Or

If your book is well presented, well written, and basically free of typos, then

A) that are not actually books.

RPI researchers delighted when underwater volcano opened up beneath them - Times Union

Or

How does a new KDP writer supposed to market a book?

B) that are filled to the brim with typos or errors.

Trump has a plan to remake the housing-finance system. It’s baffling to many lawmakers and experts. - Politico

C) Persuade book reviewers on BookTok or Substack or someplace to recommend your book. If your book is unreadably terrible, this is probably impossible.

Because you cannot persuade readers to buy any book in which sentences do not make sense. This shouldn't be “does.” If you don't see the problem, that is a big problem.

C) that are unreadably terrible in any other way.

If you could instantly cancel one social norm, what would it be?

Are you planning to proofread your book to avoid sentences such as

A) Build a following on social media, a following of people who will buy your books. Good luck with that. There is very little evidence that social media can translate to sales.

D) Pay promotion services like Written Word Media to promote your book. Legitimate services will not accept your book for promotion if the presentation is crappy or the book is badly written.

Your ketchup will see you now: Solid-phase properties reveal when yield stress fluids start to flow - Phys.org

E) Take a solid year to learn how to use Amazon or Facebook ads and be prepared to lose quite a bit of money as you figure it out.